operserv/clones: Fixed duration when logging command SETEXEMPT
Merge pull request #95 from Rixcho/patch-4

operserv/clones: Fixed duration when logging command SETEXEMPT
libathemecore/version: Update copyright to 2013
doc/license: Update copyright to 2013
Merge pull request #96 from Rixcho/patch-5

Extend copyright years to 2013 in other files as well.
chanserv/sync: expose do_channel_sync() as a public callable (ref. #97)
libathemecore: add glue and implementation for channel_mode hook
Update contrib modules snapshot. (closes #97)